Vols. for Mar./Apr. 1956-[July/Aug.?] 1983 are official newsletter of the American Society of Agronomy; for Oct. 1983- are official newsletter of American Society of Agronomy, Crop Science Society of America, and Soil Society of America
Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year
Some content affected by narrow inner margins. No page numbers. No title, copyright, or contents pages.